Which subscribe plugin does Pagelines.com use?

[quipmaster 0]

Dear Pagelines community, Just signed up for the pagelines blog. I like the subscribe button and email confirmation so much that I would like to use the same plugin. Can someone tell me which plugin Pagelines.com uses to sign up new subscribers? Thanks, Luis

[mackenzie 12]

We use MailChimp ([url="http://mailchimp.com/"]http://mailchimp.com/[/url]) service.